In one of the most surprising House seats flipped by Democrats on Tuesday, Kendra Horn, considered a long shot in deep-red Oklahoma, defeated incumbent Rep. Steve Russell to become the state’s only Democrat in Congress.

The win appears particularly surprising when you look at Donald Trump’s performance in her district in 2016: The president won there by almost 14 percentage points. National Democrats paid little attention to Horn’s district.

According to HuffPost, local Democrats were more optimistic about Horn’s chances, as the state’s Republican leaders had become unpopular. The statewide teacher strike that occurred as part of the national wave of teacher strikes was also thought to possibly harm Republicans in the polls as well.

Horn herself appeared to have been surprised by her success, at least judging by her Twitter account. Here’s her only tweet from the night, sent out around 11 p.m.: